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<div class="header">
  <div class="headertitle"><div class="title">i8042.cpp</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - &lt;http://www.fabgl.com&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">  Copyright (c) 2019-2022 Fabrizio Di Vittorio.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">  All rights reserved.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"></span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">* Please contact fdivitto2013@gmail.com if you need a commercial license.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">* This library and related software is available under GPL v3.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"></span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">  FabGL is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">  it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">  the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">  (at your option) any later version.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"></span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">  FabGL is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">  but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">  GNU General Public License for more details.</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"></span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">  You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">  along with FabGL.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &quot;i8042.h&quot;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="keyword">namespace </span>fabgl {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">// Controller status bits</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#define STATUS_OBF                            0x01  </span><span class="comment">// 0 : Output Buffer Full (0 = output buffer empty)</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#define STATUS_IBF                            0x02  </span><span class="comment">// 1 : Input Buffer Full (0 = input buffer empty)</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#define STATUS_SYSFLAG                        0x04  </span><span class="comment">// 2 : 0 = power on reset, 1 = diagnostic ok</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#define STATUS_CMD                            0x08  </span><span class="comment">// 3 : Command or Data, 0 = write to port 0 (0x60), 1 = write to port 1 (0x64)</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#define STATUS_INH                            0x10  </span><span class="comment">// 4 : Inhibit Switch, 0 = Keyboard inhibited, 1 = Keyboard not inhibited</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#define STATUS_AOBF                           0x20  </span><span class="comment">// 5 : Auxiliary Output Buffer Full, 0 = keyboard data, 1 = mouse data</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#define STATUS_TIMEOUT                        0x40  </span><span class="comment">// 6 : 1 = Timeout Error</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#define STATUS_PARITY_ERR                     0x80  </span><span class="comment">// 7 : 1 = Parity Error</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">// Controller commands</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="preprocessor">#define CTRLCMD_NONE                          0x00</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#define CTRLCMD_GET_COMMAND_BYTE              0x20</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#define CTRLCMD_READ_CONTROLLER_RAM_BEGIN     0x21</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="preprocessor">#define CTRLCMD_READ_CONTROLLER_RAM_END       0x3f</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="preprocessor">#define CTRLCMD_WRITE_COMMAND_BYTE            0x60</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="preprocessor">#define CTRLCMD_WRITE_CONTROLLER_RAM_BEGIN    0x61</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="preprocessor">#define CTRLCMD_WRITE_CONTROLLER_RAM_END      0x7f</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="preprocessor">#define CTRLCMD_DISABLE_MOUSE_PORT            0xa7</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#define CTRLCMD_ENABLE_MOUSE_PORT             0xa8</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="preprocessor">#define CTRLCMD_TEST_MOUSE_PORT               0xa9</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#define CTRLCMD_SELF_TEST                     0xaa</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="preprocessor">#define CTRLCMD_TEST_KEYBOARD_PORT            0xab</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="preprocessor">#define CTRLCMD_DISABLE_KEYBOARD              0xad</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#define CTRLCMD_ENABLE_KEYBOARD               0xae</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="preprocessor">#define CTRLCMD_READ_INPUT_PORT               0xc0</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#define CTRLCMD_READ_OUTPUT_PORT              0xd0</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#define CTRLCMD_WRITE_OUTPUT_PORT             0xd1</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="preprocessor">#define CTRLCMD_WRITE_KEYBOARD_OUTPUT_BUFFER  0xd2</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="preprocessor">#define CTRLCMD_WRITE_MOUSE_OUTPUT_BUFFER     0xd3</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="preprocessor">#define CTRLCMD_WRITE_TO_MOUSE                0xd4</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="preprocessor">#define CTRLCMD_SYSTEM_RESET                  0xfe</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">// Command byte bits</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#define CMDBYTE_ENABLE_KEYBOARD_IRQ           0x01  </span><span class="comment">// 0 : 1 = Keyboard output buffer full causes interrupt (IRQ 1)</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">#define CMDBYTE_ENABLE_MOUSE_IRQ              0x02  </span><span class="comment">// 1 : 1 = Mouse output buffer full causes interrupt (IRQ 12)</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">#define CMDBYTE_SYSFLAG                       0x04  </span><span class="comment">// 2 : 1 = System flag after successful controller self-test</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="preprocessor">#define CMDBYTE_UNUSED1                       0x08  </span><span class="comment">// 3 : unused (must be 0)</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">#define CMDBYTE_DISABLE_KEYBOARD              0x10  </span><span class="comment">// 4 : 1 = Disable keyboard by forcing the keyboard clock low</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#define CMDBYTE_DISABLE_MOUSE                 0x20  </span><span class="comment">// 5 : 1 = Disable mouse by forcing the mouse serial clock line low</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="preprocessor">#define CMDBYTE_STD_SCAN_CONVERSION           0x40  </span><span class="comment">// 6 : 1 = Standard Scan conversion</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="preprocessor">#define CMDBYTE_UNUSED2                       0x80  </span><span class="comment">// 7 : unused (must be 0)</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>i8042::i8042()</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>{</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>}</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>i8042::~i8042()</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>{</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>}</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="keywordtype">void</span> i8042::init()</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>{</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  <span class="comment">// because mouse is optional, don&#39;t re-try if it is not found (to speed-up boot)</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>  <a class="code hl_function" href="classfabgl_1_1_mouse_afc85801bd90520c15ab4fe1004a45b02.html#afc85801bd90520c15ab4fe1004a45b02">Mouse::quickCheckHardware</a>();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>  <span class="comment">// keyboard configured on port 0, and optionally mouse on port 1</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>  <span class="keywordflow">if</span> (!PS2Controller::initialized())</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    m_PS2Controller.begin(<a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74">PS2Preset::KeyboardPort0_MousePort1</a>, <a class="code hl_enumvalue" href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffadaa64f7602ad3caa98f09799e3e683b1">KbdMode::NoVirtualKeys</a>);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>  <span class="keywordflow">else</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    m_PS2Controller.keyboard()-&gt;enableVirtualKeys(<span class="keyword">false</span>, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  m_keyboard = m_PS2Controller.keyboard();</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>  m_mouse    = m_PS2Controller.mouse();</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>  reset();</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>}</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="keywordtype">void</span> i8042::reset()</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>{</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>  m_STATUS      = STATUS_SYSFLAG | STATUS_INH;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>  m_DBBOUT      = 0;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>  m_DBBIN       = 0;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>  m_commandByte = CMDBYTE_ENABLE_KEYBOARD_IRQ | CMDBYTE_ENABLE_MOUSE_IRQ | CMDBYTE_SYSFLAG | CMDBYTE_STD_SCAN_CONVERSION | CMDBYTE_DISABLE_MOUSE;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>  m_executingCommand = CTRLCMD_NONE;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>  m_writeToMouse     = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>  m_mousePacketIdx   = -1;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>  m_mouseIntTrigs = 0;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>  m_keybIntTrigs  = 0;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>  m_sysReqTriggered = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>}</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>uint8_t i8042::read(<span class="keywordtype">int</span> address)</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>{</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  <span class="keywordflow">switch</span> (address) {</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <span class="comment">// 0 = read 8042 output register (DBBOUT) and set OBF = 0 and AOBF = 0</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    <span class="comment">// this is port 0x60 as seen from CPU side</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    <span class="keywordflow">case</span> 0:</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>      m_STATUS &amp;= ~(STATUS_OBF | STATUS_AOBF);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>      <span class="comment">//printf(&quot;i8042.read(%02X) =&gt; %02X\n&quot;, address, m_DBBOUT);</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>      <span class="keywordflow">return</span> m_DBBOUT;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    <span class="comment">// 1 = read 8042 status register (STATUS)</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="comment">// this is port 0x64 as seen from CPU side</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>      <span class="comment">//printf(&quot;i8042.read(%02X) =&gt; %02X\n&quot;, address, m_STATUS);</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>      <span class="keywordflow">return</span> m_STATUS;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>  }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>}</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="keywordtype">void</span> i8042::write(<span class="keywordtype">int</span> address, uint8_t value)</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>{</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>  <span class="keywordflow">switch</span> (address) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    <span class="comment">// 0 = write 8042 input register (DBBIN), set STATUS_CMD = 0 and STATUS_IBF = 1</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    <span class="comment">// this is port 0x60 as seen from CPU side</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>    <span class="keywordflow">case</span> 0:</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>      <span class="comment">//printf(&quot;i8042.write(%02X, %02X)\n&quot;, address, value);</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>      m_DBBIN = value;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>      m_STATUS = (m_STATUS &amp; ~STATUS_CMD) | STATUS_IBF;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    <span class="comment">// 1 = write 8042 input register (DBBIN), set F1 = 1 and STATUS_IBF = 1</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>    <span class="comment">// this is port 0x64 as seen from CPU side</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>      <span class="comment">//printf(&quot;i8042.write(%02X, %02X)\n&quot;, address, value);</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>      m_DBBIN = value;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>      m_STATUS |= STATUS_CMD | STATUS_IBF;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>  }</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>}</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="keywordtype">void</span> i8042::tick()</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>{</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>  <span class="comment">// something to receive from keyboard?</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>  <span class="keywordflow">if</span> ((m_STATUS &amp; STATUS_OBF) == 0 &amp;&amp; m_keyboard-&gt;scancodeAvailable() &amp;&amp; (m_commandByte &amp; CMDBYTE_DISABLE_KEYBOARD) == 0) {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    <span class="keywordflow">if</span> (m_commandByte &amp; CMDBYTE_STD_SCAN_CONVERSION) {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>      <span class="comment">// transform &quot;set 2&quot; scancodes to &quot;set 1&quot;</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>      <span class="keywordtype">int</span> scode2 = m_keyboard-&gt;getNextScancode();</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>      checkSysReq(scode2);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>      uint8_t scode = Keyboard::convScancodeSet2To1(scode2);  <span class="comment">// &quot;set 1&quot; code (0xf0 doesn&#39;t change!)</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>      m_DBBOUT = (m_DBBOUT == 0xf0 ? (0x80 | scode) : scode);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>      <span class="keywordflow">if</span> (scode != 0xf0) {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>        m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>        <span class="comment">// IR1 (IRQ9) triggered when non break code or when code+break has been received</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>        ++m_keybIntTrigs;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>      }</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>      <span class="comment">// no transform</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>      <span class="keywordtype">int</span> scode2 = m_keyboard-&gt;getNextScancode();</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>      checkSysReq(scode2);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>      m_DBBOUT = scode2;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>      m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>      ++m_keybIntTrigs;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>    }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>  }</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>  <span class="comment">// something to receive from mouse?</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  <span class="keywordflow">if</span> ((m_STATUS &amp; STATUS_OBF) == 0 &amp;&amp; (m_mousePacketIdx &gt; -1 || m_mouse-&gt;packetAvailable()) &amp;&amp; (m_commandByte &amp; CMDBYTE_DISABLE_MOUSE) == 0) {</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    <span class="keywordflow">if</span> (m_mousePacketIdx == -1)</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>      m_mouse-&gt;getNextPacket(&amp;m_mousePacket);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>    m_DBBOUT = m_mousePacket.data[++m_mousePacketIdx];</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>    <span class="keywordflow">if</span> (m_mousePacketIdx == m_mouse-&gt;getPacketSize() - 1)</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>      m_mousePacketIdx = -1;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    m_STATUS |= STATUS_OBF | STATUS_AOBF;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    ++m_mouseIntTrigs;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>  }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>  <span class="comment">// something to execute?</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>  <span class="keywordflow">if</span> (m_STATUS &amp; STATUS_CMD) {</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>    m_STATUS &amp;= ~(STATUS_IBF | STATUS_CMD);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    execCommand();</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>  }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>  <span class="comment">// something to execute (with parameters)?</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  <span class="keywordflow">if</span> ((m_STATUS &amp; STATUS_IBF) &amp;&amp; m_executingCommand != CTRLCMD_NONE) {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    m_STATUS &amp;= ~STATUS_IBF;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    execCommand();</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>  }</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>  <span class="comment">// something to send?</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>  <span class="keywordflow">if</span> (m_STATUS &amp; STATUS_IBF) {</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    m_STATUS &amp;= ~(STATUS_IBF | STATUS_PARITY_ERR);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="keywordflow">if</span> (m_writeToMouse)</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>      m_mouse-&gt;sendCommand(m_DBBIN);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>      m_keyboard-&gt;sendCommand(m_DBBIN);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    m_writeToMouse = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    m_STATUS |= STATUS_PARITY_ERR * m_keyboard-&gt;parityError();</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>  }</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <span class="comment">// are there interrupts to trig?</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>  <span class="keywordflow">if</span> (m_keybIntTrigs &amp;&amp; trigKeyboardInterrupt())</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    --m_keybIntTrigs;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>  <span class="keywordflow">if</span> (m_mouseIntTrigs &amp;&amp; trigMouseInterrupt())</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    --m_mouseIntTrigs;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>}</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="keywordtype">void</span> i8042::execCommand()</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>{</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>  uint8_t cmd = m_executingCommand == CTRLCMD_NONE ? m_DBBIN : m_executingCommand;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  <span class="keywordflow">switch</span> (cmd) {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    <span class="keywordflow">case</span> CTRLCMD_GET_COMMAND_BYTE:</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>      m_DBBOUT = m_commandByte;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>      m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    <span class="keywordflow">case</span> CTRLCMD_WRITE_COMMAND_BYTE:</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>      <span class="keywordflow">if</span> (m_executingCommand) {</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>        <span class="comment">// data received</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>        updateCommandByte(m_DBBIN);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>        m_executingCommand = CTRLCMD_NONE;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>        <span class="comment">// wait for data</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>        m_executingCommand = CTRLCMD_WRITE_COMMAND_BYTE;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>      }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    <span class="keywordflow">case</span> CTRLCMD_DISABLE_MOUSE_PORT:</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>      enableMouse(<span class="keyword">false</span>);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    <span class="keywordflow">case</span> CTRLCMD_ENABLE_MOUSE_PORT:</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>      enableMouse(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>    <span class="keywordflow">case</span> CTRLCMD_TEST_MOUSE_PORT:</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>      m_DBBOUT = m_mouse-&gt;isMouseAvailable() ? 0x00 : 0x02;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>      m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    <span class="keywordflow">case</span> CTRLCMD_SELF_TEST:</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>      m_DBBOUT = 0x55;  <span class="comment">// no errors!</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>      m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    <span class="keywordflow">case</span> CTRLCMD_TEST_KEYBOARD_PORT:</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>      m_DBBOUT = m_keyboard-&gt;isKeyboardAvailable() ? 0x00 : 0x02;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>      m_STATUS |= STATUS_OBF;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    <span class="keywordflow">case</span> CTRLCMD_DISABLE_KEYBOARD:</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>      updateCommandByte(m_commandByte | CMDBYTE_DISABLE_KEYBOARD);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>    <span class="keywordflow">case</span> CTRLCMD_ENABLE_KEYBOARD:</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>      updateCommandByte(m_commandByte &amp; ~CMDBYTE_DISABLE_KEYBOARD);</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>    <span class="keywordflow">case</span> CTRLCMD_WRITE_TO_MOUSE:</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>      m_writeToMouse = 1;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span> </div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    <span class="keywordflow">case</span> CTRLCMD_SYSTEM_RESET:</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>      m_reset(m_context);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>      printf(<span class="stringliteral">&quot;8042: unsupported controller command %02X\n&quot;</span>, cmd);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>  }</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>}</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span> </div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="keywordtype">void</span> i8042::enableMouse(<span class="keywordtype">bool</span> value)</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>{</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>  updateCommandByte(value ? (m_commandByte &amp; ~CMDBYTE_DISABLE_MOUSE) : (m_commandByte | CMDBYTE_DISABLE_MOUSE));</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>}</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="keywordtype">void</span> i8042::updateCommandByte(uint8_t newValue)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>{</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>  <span class="comment">// disable keyboard bit changed?</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  <span class="keywordflow">if</span> ((newValue ^ m_commandByte) &amp; CMDBYTE_DISABLE_KEYBOARD) {</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>    <span class="keywordflow">if</span> (newValue &amp; CMDBYTE_DISABLE_KEYBOARD) {</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>      m_keyboard-&gt;suspendPort();</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>      m_keyboard-&gt;resumePort();</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>    }</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>  }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <span class="comment">// disable mouse bit changed?</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>  <span class="keywordflow">if</span> ((newValue ^ m_commandByte) &amp; CMDBYTE_DISABLE_MOUSE) {</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>    <span class="keywordflow">if</span> (newValue &amp; CMDBYTE_DISABLE_MOUSE) {</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>      m_mouse-&gt;suspendPort();</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>      m_mouse-&gt;resumePort();</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>    }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>  }</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>  m_commandByte = newValue;</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>}</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span> </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="keywordtype">bool</span> i8042::trigKeyboardInterrupt()</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>{</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  <span class="keywordflow">return</span> m_commandByte &amp; CMDBYTE_ENABLE_KEYBOARD_IRQ ? m_keyboardInterrupt(m_context) : true;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>}</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="keywordtype">bool</span> i8042::trigMouseInterrupt()</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>{</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>  <span class="keywordflow">return</span> m_commandByte &amp; CMDBYTE_ENABLE_MOUSE_IRQ ? m_mouseInterrupt(m_context) : true;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>}</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment">// check if SysReq (ALT + PRINT SCREEN) has been released</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="keywordtype">void</span> i8042::checkSysReq(<span class="keywordtype">int</span> scode2)</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>{</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>  <span class="keywordflow">if</span> (m_DBBOUT == 0xf0) {</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>    <span class="keywordflow">if</span> (scode2 == 0x84) { <span class="comment">// SysReq released?</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>      m_sysReqTriggered = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_sysReqTriggered &amp;&amp; scode2 == 0x11) { <span class="comment">// ALT released?</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>      m_sysReqTriggered = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>      m_sysReq(m_context);</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>    }</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>  }</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>}</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span> </div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>} <span class="comment">// namespace fabgl</span></div>
<div class="ttc" id="aclassfabgl_1_1_mouse_afc85801bd90520c15ab4fe1004a45b02_html_afc85801bd90520c15ab4fe1004a45b02"><div class="ttname"><a href="classfabgl_1_1_mouse_afc85801bd90520c15ab4fe1004a45b02.html#afc85801bd90520c15ab4fe1004a45b02">fabgl::Mouse::quickCheckHardware</a></div><div class="ttdeci">static void quickCheckHardware()</div><div class="ttdoc">Disable re-try when a mouse is not found.</div><div class="ttdef"><b>Definition:</b> <a href="mouse_8h_source.html#l00373">mouse.h:373</a></div></div>
<div class="ttc" id="agroup___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff_html_gga5d7071ad7a22fa20e52ba3e855cb4cffadaa64f7602ad3caa98f09799e3e683b1"><div class="ttname"><a href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffadaa64f7602ad3caa98f09799e3e683b1">fabgl::KbdMode::NoVirtualKeys</a></div><div class="ttdeci">@ NoVirtualKeys</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74">fabgl::PS2Preset::KeyboardPort0_MousePort1</a></div><div class="ttdeci">@ KeyboardPort0_MousePort1</div></div>
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